Casnovia MI ZIP Code
Casnovia city is located in Michigan State, Muskegon County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Casnovia MI zip code by its streets and block numbers if we have some of the Casnovia streets loaded in our website
Casnovia Area Code is 616 and Time Zone is Eastern (GMT -05:00).
Casnovia Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Casnovia City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Casnovia ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Casnovia, Michigan.
The Casnovia Zip Code is 49318.
If you want to send a mail to Casnovia City, you should use the 49318 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Casnovia ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 49318 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Casnovia city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Michigan.